The Language of Maps How to Find and Locate Places in the Landscape,

Where Are You? 6

In this chapter you will learn about:

• How to accurately locate features on a site using a referencing system • How to apply a coordinate system, including longitude and latitude • The appropriate components of a property and topographic map for landscape site-grading and design projects • The use of a grid system to locate spot elevations and design features for a site

The Language of Maps

Maps are as much a form of communication as pages of written words. Both utilize a language consisting of a set of symbols organized by a set of rules so that those who know the rules can arrange or sequence the graphic symbols to communicate an intended purpose. Likewise, a person knowing the rules can read and understand what is contained in a map. The rules used in map making derive from geographic and cadastral systems and graphic conventions. If you learn and understand the systems, symbols, and graphic conventions that are used in making maps, you will generally be able to read a map and mine a wealth of information from it.

Just as there are different languages, each with its conventions of syntax, there are many different types of maps, each having its unique set of purposes. Depending on the purpose for creating a map, there are many graphic symbols and conventions that map types might apply. Each map type may have symbols